(3GdbUI hGdMcGjI aj GdTYQ GdYQHj aj UOQ GdGSdGe hGdYUQ GdGehjs - (3GdNWjH,HTQi eMeO Ydjs ((3HZOGO(B:s (3OGQ GdTDhf GdKbGajI GdYGeI,s, 1990)
Keywords: (3GdTYQs -- (3GdYUQ GdGehjs